Improved person tracking using a combined pseudo-2D-HMM and Kalman filter approach with automatic background state adaptation. - Harald Breit; Gerhard Rigoll (ICIP (2), 2001)

A flexible multimodal object tracking system. - Harald Breit; Gerhard Rigoll (ICIP (3), 2003)

Robust tracking of persons in real-world scenarios using a statistical computer vision approach. - Gerhard Rigoll; Harald Breit; Frank Wallhoff (Image Vis. Comput., 2004)